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प्रश्न
The cost price of 20 articles is the same as the selling price of 16 articles. Find the gain percent.
उत्तर
C.P. of 20 articles = S.P. of 16 articles.
Let C.P. of 1 article = Rs. 1
C.P. of 20 articles = Rs.20
and C.P. of 16 articles = Rs.16
S.P. of 16 articles = Rs.20 ........[S.P. of 16 articles = C.P. of 20 articles]
Gain = Rs.20 – Rs.16 = Rs.4
Gain% =`4/16xx100`
`=(4xx100)/16`
= 25%
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